// Copied from the Public Domain C Library (PDCLib). r519
#include <string.h>

void * memmove( void * s1, const void * s2, size_t n )
{
    char * dest = (char *) s1;
    const char * src = (const char *) s2;
    if ( dest <= src )
    {
        while ( n-- )
        {
            *dest++ = *src++;
        }
    }
    else
    {
        src += n;
        dest += n;
        while ( n-- )
        {
            *--dest = *--src;
        }
    }
    return s1;
}
